﻿@model DashboardModel
@{
    var knownClusters = Model.Clusters.Where(c => c.Nodes.Data?.Nodes != null && c.Nodes.Data.Nodes.Any()).ToList();
    var unknownClusters = Model.Clusters.Where(c => !c.Nodes.Data?.Nodes?.Any() ?? true);
}
@functions
{
    string CommonVersionHeader(ElasticCluster c)
    {
        var nodes = c.Nodes.SafeData(true).Nodes;

        if (nodes != null && nodes.Any())
        {
            var minVersion = nodes.Min(n => n.Version);
            var maxVersion = nodes.Max(n => n.Version);
            var versionString = minVersion == maxVersion ? minVersion : (minVersion + "-" + maxVersion);
            return " - Version " + versionString;
        }
        return null;
    }
}
<div class="js-refresh" data-name="elastic-overview">
    @if (knownClusters.Count == 0)
    {
        <partial name="PollInfo" model="@(new Opserver.Views.PollInfoModel { Nodes = knownClusters, Name = "any Elastic clusters" })" />
    }
    else
    {
        foreach (var c in unknownClusters)
        {
            <h5 class="page-header">
                @c.IconSpan() @(((ISearchableNode)c).DisplayName)
                <span class="cluster-info">(unknown)</span>
            </h5>
            <table class="table table-striped table-hover table-responsive table-super-condensed">
                <thead>
                    <tr>
                        <th></th>
                        <th>Node</th>
                        <th>Healthy</th>
                        <th>Error</th>
                        <th>Last Seen</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach (var n in c.KnownNodes)
                    {
                        <tr class="@(MonitorStatus.Unknown.RowClass())">
                            <td>@(MonitorStatus.Unknown.IconSpan())</td>
                            <td>@n.Url</td>
                            <td class="text-muted">Unknown</td>
                            <td title="@(n.LastException?.Message)">@(n.LastException?.Message.TruncateWithEllipsis(100))</td>
                            <td>@(n.LastSeen?.ToRelativeTimeSpan() ?? "Never".AsHtml())</td>
                        </tr>
                    }
                </tbody>
            </table>
        }
    }
    @if (knownClusters.Any())
    {
        <table class="table table-striped table-hover table-responsive table-super-condensed">
            @foreach (var c in knownClusters)
            {
                var ss = c.AllShards;
                var hs = c.HealthStatus.SafeData(true);
                var ns = c.Nodes.SafeData(true);
                var masterNode = c.MasterNode;
                var attribs = new List<string> { ns.Nodes.Count.Pluralize("node"), ss.Count.Pluralize("shard") };
                if (hs.InitializingShards > 0)
                {
                    attribs.Add($"{hs.InitializingShards.ToComma()} initializing");
                }
                if (hs.RelocatingShards > 0)
                {
                    attribs.Add($"{hs.RelocatingShards.ToComma()} relocating");
                }
                if (hs.UnassignedShards > 0)
                {
                    attribs.Add($"{hs.UnassignedShards.ToComma()} unassigned");
                }
                <tbody>
                    <tr class="category-row">
                        <th colspan="11">
                            <h5>
                                @hs.IconSpan() <a class="@hs.TextClass()" href="@Url.Action(nameof(ElasticController.Cluster), new { cluster = c.Name, node = ns.Nodes.FirstOrDefault()?.Name })">@c.Name</a>
                                <span class="text-muted small">(@string.Join(", ", attribs))@CommonVersionHeader(c)</span>
                                <span class="pull-right small"> @Poll.Now(c)</span>
                            </h5>
                        </th>
                    </tr>
                    <tr>
                        <th>Node</th>
                        <th>Shards</th>
                        <th>CPU</th>
                        <th>Memory</th>
                        <th>Virtual</th>
                        <th>Indexes</th>
                        <th>Searches</th>
                        <th>Conns</th>
                        <th>Rx</th>
                        <th>Tx</th>
                        <th>As of</th>
                    </tr>
                </tbody>
                <tbody>
                    @foreach (var n in ns.Nodes)
                    {
                        // Don't show client nodes such as logstash inserters in this view
                        if (n.IsClient)
                        {
                            continue;
                        }
                        var shards = ss.Where(sh => sh.Node == n.GUID).ToList();
                        var stats = n.Stats;
                        var upTime = stats?.JVM?.UptimeInMilliseconds > 0 ? DateTime.UtcNow.AddMilliseconds(-stats.JVM.UptimeInMilliseconds) : (DateTime?)null;
                        var percentCPU = stats?.PercentCPUOS ?? stats?.PercentCPUProcess;
                        <tr class="@n.RowClass()@(n == masterNode ? " info" : null)">
                            <td title="Up since @(upTime.HasValue ? upTime.Value.ToZuluTime() + " (" + upTime?.ToRelativeTime() + ")" : "(unknown)")">
                                @n.IconSpan()
                                <a class="@n.TextClass()" href="@Url.Action(nameof(ElasticController.Node), new { cluster = c.Name, node = n.Name })">@c.ShortName(n)</a>
                            </td>
                            <td>@shards.Count.ToComma() <span class="text-muted small">(@shards.Count(s => s.Primary).ToComma() primary)</span></td>
                            @if (percentCPU != null)
                            {
                                <td title="Process CPU: @percentCPU.ToComma()% load average @(stats.LoadAverageString ?? "Unknown")">
                                    @(percentCPU.ToComma())%
                                </td>
                            }
                            else
                            {
                                <td class="text-muted">n/a</td>
                            }
                            @if (stats?.MemoryHeapInBytes != null)
                            {
                                <td>@stats.MemoryHeapInBytes.Value.ToSize()</td>
                            }
                            else
                            {
                                <td class="text-muted">n/a</td>
                            }
                            @if (stats?.MemoryProcessVirtualInBytes != null)
                            {
                                <td>@stats.MemoryProcessVirtualInBytes.Value.ToSize()</td>
                            }
                            else
                            {
                                <td class="text-muted">n/a</td>
                            }
                            @if (stats?.Process != null)
                            {
                                var indexCount = c.HealthStatus.Data?.Indexes?.Count.ToComma() ?? "<unknown>";
                                <td title="@indexCount indexes with @(stats.Process.OpenFileDescriptors.ToComma()) open file descriptors">
                                    <a href="@Url.Action(nameof(ElasticController.Indexes), new { cluster = c.Name, node = n.Name })">
                                        @indexCount
                                    </a> <span class="text-muted">@(stats.Indexes.Store.SizeInBytes > 0 ? "(" + stats.Indexes.Store.SizeInBytes.ToSize() + ")" : "")</span>
                                </td>
                                <td>@stats.Indexes.Search.QueryTotal.ToComma()</td>
                            }
                            else
                            {
                                <td class="text-muted">n/a</td>
                                <td class="text-muted">n/a</td>
                            }
                            @if (stats?.HTTP != null)
                            {
                                <td title="@(stats.HTTP.CurrentOpen.ToString()) open, @stats.HTTP.TotalOpened.ToComma() total">@stats.HTTP.CurrentOpen.ToComma()</td>
                            }
                            else
                            {
                                <td><span class="text-muted">n/a</span></td>
                            }
                            @if (stats?.Transport != null)
                            {
                                <td>@stats.Transport.RXSizeInBytes.ToSize()</td>
                                <td>@stats.Transport.TXSizeInBytes.ToSize()</td>
                            }
                            else
                            {
                                <td class="text-muted">n/a</td>
                                <td class="text-muted">n/a</td>
                            }
                            <td>@c.State.ToPollSpan()</td>
                        </tr>
                    }
                    @if (c.KnownNodes.Count > ns.Nodes.Count)
                    {
                        <tr class="danger text-center">
                            <td colspan="12">@((c.KnownNodes.Count - ns.Nodes.Count).Pluralize("node")) currently missing of (@string.Join(", ", c.KnownNodes.Select(s => s))).</td>
                        </tr>
                    }
                </tbody>
            }
        </table>
    }
</div>
<div class="js-refresh" data-name="cluster-sub-detail">
    @foreach (var c in Model.Clusters.Where(c => c.InterestingIndexes.Any()))
    {
        var m = new DashboardModel
        {
            DisplayMode = Model.DisplayMode,
            CurrentCluster = c
        };
        <h5 class="page-header">
            @c.IconSpan() @c.Name indexes with problems
        </h5>
        <partial name="Indexes.Table" model="m" />
        <partial name="Shards.Table" model="m" />
    }
</div>